ListarIngeniería Química - (IQ) por tema "Lignin"
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Activation of electrospun lignin-based carbon fibers and their performance as self-standing supercapacitor electrodes
Ruiz-Rosas, Ramiro Rafael
; Cordero-Alcántara, Tomás; Rodríguez-Mirasol, José; Rosas-Martínez, Juana María; García-Mateos, Francisco José; Cazorla-Amorós, Diego; Morallón, Emilia[et al.] (2020-02-17)
The production and activation of self-standing carbon electrodes from electrospun lignin fibers was analyzed in this work. Carbon microfibers were prepared at 900 °C from air-stabilized spun cloths by direct carbonization ... -
Activation of electrospun lignin-based carbon fibers and their performance as self-standing supercapacitor electrodes
García-Mateos, Francisco José; Ruiz-Rosas, Ramiro Rafael; Rosas-Martínez, Juana María; Morallón, Emilia; Cazorla-Amorós, Diego; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás[et al.] (Elsevier, 2020)
The production and activation of self-standing carbon electrodes from electrospun lignin fibers was analyzed in this work. Carbon microfibers were prepared at 900 °C from air-stabilized spun cloths by direct carbonization ... -
Alcohol decomposition on basic/acid lignin-derived submicron diameter carbon fibers
García-Mateos, Francisco José; Rosas-Martínez, Juana María; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás (2018-07-12)
The use of lignin, the second most abundant polymer in nature, along with a simple and versatile technique, electrospinning, represents an advantageous and promising approach for the preparation of carbon fibers. In ... -
Efecto del H3PO4 en la preparación de fibras de carbono a partir de lignina. Mejoras en el proceso de estabilización y propiedades finales
García-Mateos, Francisco José; Berenguer-Betrián, Raúl; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás (2015-11-06)
El presente trabajo propone un nuevo método de preparación de fibras de carbono mediante electrohilado de mezclas de lignina/H3PO4, en el que se obtienen resultados que aceleran el proceso de preparación de estos materiales ... -
Effect of phosphorous groups on the stabilization and activation of low-cost lignin fibers prepared by electrospinning
The feasible wider use of carbon fibers in many of their current and potential applications demands a reduction of their manufacturing costs. In this sense, the use of lignin as an abundant, renewable and low-cost carbonaceous ... -
Electrospinning of alcell lignin for the preparation of ORR electrocatalysts
Ruiz-Rosas, Ramiro Rafael; Cordero-Alcántara, Tomás; Rodríguez-Mirasol, José; Rosas-Martínez, Juana María; García-Mateos, Francisco José (2019-10-28)
Carbon fibers are one of the components of the electrode assemblies used in fuel cells. They are usually prepared from polyacrylonitrile, a non-renewable synthetic polymer. Lignin is a highly abundant biopolymer that is ... -
Electrospun iron-containing sustainable carbon submicron fibers as Fischer-Tropsch catalyst
Rodríguez-Cano, Miguel Ángel; García-Mateos, Francisco José; Valero-Romero, María José; Ruiz-Rosas, Ramiro Rafael; Rosas-Martínez, Juana María; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás[et al.] (2023)
The problems derived from fossil fuels usage such as climate change and energy crises have led to seek for alternatives. Biomass is a renewable source which can be used to produce fuels and olefins via Fischer-Tropsch from ... -
Evaluation of acetanilide and antipyrine adsorption on lignin-derived activated carbons.
Gutierrez, Maria del Carmen; García-Mateos, Francisco José; Ruiz-Rosas, Ramiro Rafael; Rosas-Martínez, Juana María; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás[et al.] (Elsevier, 2024-07-01)
In this study, the removal of two emerging pollutants (EPs), antipyrine and acetanilide, through adsorption on activated carbons (ACs) prepared by chemical activation of Organosolv lignin with H3PO4 were evaluated. ACs with ... -
Fischer-Tropsch synthesis over lignin-derived cobalt-containing carbon fiber catalysts prepared in a single step by electrospinning
Valero-Romero, María José; García-Mateos, Francisco José; Sun, Xiaohui; Kapteijn, Freek; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás[et al.] (2022)
In the present, work submicron-sized cobalt-containing lignin fibers have been prepared by the electrospinning technique, using Alcell lignin as carbon precursor, a low-cost co-product of the paper making industry. ... -
Fischer-Tropsch synthesis over lignin-derived cobalt-containing porous carbon fiber catalysts
Valero-Romero, María José; García-Mateos, Francisco José; Kapteijn, Freek; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás (Elsevier, 2023)
Cobalt-containing lignin-based fibers were synthesized in one step by electrospinning of Alcell lignin solutions as carbon precursor, a low-cost and renewable co-product of the paper making industry. The lignin fibers were ... -
Highly conductive microporous carbon fibers by electrospinning of lignin/phosphoric acid/ethanol solutions
García-Mateos, Francisco José; Rosas-Martínez, Juana María; Ruiz-Rosas, Ramiro Rafael; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás (2019-11-06)
This contribution reports the preparation of electrospun lignin-based carbon fibers at different carbonization temperatures and the influence of heat treatments at temperatures ranging from 900 to 1600 ºC. The influence ... -
Novel lignin-based fibrous carbon materials
Berenguer-Betrián, Raúl; García-Mateos, Francisco José; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás (2014-07-28)
Lignin is (and will be) an important co-product in many lignocellulosic biomass-derived industries, such as pulp and paper mills (and the future biorefineries, when the concept of bio-economy be developed). The development ... -
Preparation of different carbon materials by thermochemical conversion of lignin.
Rosas-Martínez, Juana María; Berenguer-Betrián, Raúl; Valero-Romero, María José; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás (Frontiers, 2014-12-04)
Lignin valorization plays a crucial role within the modern biorefinery scheme from both the economic and environmental points of view; and the structure and composition of lignin makes it an ideal precursor for the preparation ...